Leong has a cult following among action movie fans and had roles in films, such as Lethal Weapon (which was also produced by Joel Silver and scored by Michael Kamen), Big Trouble in Little China, Death Warrant, Rapid Fire and The Scorpion King. He also has roles on TV, such as MacGyver and The A-Team. Leong also had a recurring role in the first season of Fox action-thriller TV series 24. Leong is currently retired from the Hollywood film industry after suffering a stroke. One of his last film few credits was the 2005 Bruce Willis actioner Hostage.